Example 4
Simplify the rational expression .
Note: If values show up as "undefined," try clicking the Original Problem button at the end of the applet. Then, move the slider to step through the problem.
- Identify any invalid values of the expression.
- Find a common denominator.
- Rewrite each term of the expression using the new denominator.
- Check to see if the result can be written in a simpler form.